Roll-form heat-insulation/sound-absorption material


MG MIGHTY ROLL is a product in which minute amounts of resin are added to rock wool as a binder before molding it into a felt. ALK (aluminum craft foil) or ALGC (aluminum glass cloth) is then affixed to one side before rolling the product up into a roll.
The adhesive ALGC products comply with the Japanese Architectural Standard Specifications (Mechanical Equipment Construction Work Edition).

Product Category

Thermal Insulation MaterialRoom Temperature to 200°CBuilding Materials(For Residential Housing/Non-Residential)Non-Residential Heat-Insulation MaterialsConstruction Work (Lagging, Cold Storage, Fire-Proofing and Sound-Proofing)Hot and Cold Insulation Work


Residential Housing & Non-ResidentialBuilding (Non-Residential) ConstructionBuilding FacilitiesVarious Plant FacilitiesBoilersPiping


It has excellent heat and thermal insulation.
It is lightweight and flexible, and so it offers excellent handling and processing properties.
It offers excellent heat resistance.
Its excellent thermal insulation performance contributes significantly to saving energy.
It is a product that is deemed recyclable under the Industrial Waste Wide Area Certification System.


By product type Density (kg/m3) Thickness (mm) Dimensions (mm) Ministry of Land, Infrastructure, Transport and Tourism
Non-inflammable certification
Heat shrinkage
Temperature (°C)
ALGC 40 or more 25 910W×11000L NM-8602 400 or more
50 910W×5500L
ALK 25 910W×11000L
50 910W×5500L


Various ducts for air conditioning facilities
Heat and thermal insulation for various equipment
Heat and thermal insulation for various pipes and valves
Fire protection material for kitchen exhaust ducts in housing complexes
Thermal insulation, heat insulation, and condensation prevention for the ceilings, walls, and partitions, of buildings


  • TOMBO is a registered trademark or trademark of NICHIAS Corporation.
  • Name of products with "®" are registered trademarks of NICHIAS Corporation.
  • Name of products with "™" are trademarks of NICHIAS Corporation.